Reference Source

Maximum validity period of Subscriber Certificates is 47 days.

What is the effective date for Maximum validity period of Subscriber Certificates is 47 days.?

For Maximum validity period of Subscriber Certificates is 47 days., effective date is 2029-03-15; baseline requirements section is 6.3.2; authority is CA/Browser Forum TLS Baseline Requirements; scope is Subscriber Certificates only, recorded from its source on 2026-08-05.

2029-03-15 | 6.3.2 | Maximum validity period of Subscriber Certificates is 47 days.

cabforum.org, retrieved 2026-08-05

2029-03-15
The date this requirement takes effect, as printed in the issuing programme's own effective-date table. Verified against the passage quoted below.
Sourcecabforum.org
Verified
Review by
DatasetTLS certificate and CA requirement effective dates (CA/Browser Forum, Chrome, Mozilla)
Requirement
Maximum validity period of Subscriber Certificates is 47 days. verified
Effective date
2029-03-15 verified
Baseline Requirements section
6.3.2 verified
Authority
CA/Browser Forum TLS Baseline Requirements our reading
Scope
Subscriber Certificates only our reading

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Source

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How long can a TLS/SSL certificate be valid — and when does the maximum drop?Find the maximum certificate lifetime on any date, and the deadline that lands next.
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